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Questions and Answers
What distinguishes Staphylococcus aureus from other staphylococci primarily?
What distinguishes Staphylococcus aureus from other staphylococci primarily?
- Resistance to hydrogen peroxide
- Production of coagulase (correct)
- Ability to produce catalase
- Ability to cause impetigo
Which bacterium can cause impetigo according to the text?
Which bacterium can cause impetigo according to the text?
- Staphylococcus saprophyticus
- Streptococcus pneumoniae
- Staphylococcus epidermidis
- Streptococcus pyogenes (correct)
Why can bacteria that make catalase survive the killing effect of hydrogen peroxide within neutrophils?
Why can bacteria that make catalase survive the killing effect of hydrogen peroxide within neutrophils?
- They are resistant to all types of oxygen radicals
- They have a mechanism to detoxify hydrogen peroxide (correct)
- They can form biofilms within neutrophils
- They produce an enzyme that neutralizes hydrogen peroxide
Which staphylococcal species is the most common and causes the most serious infections in humans?
Which staphylococcal species is the most common and causes the most serious infections in humans?
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What enzyme distinguishes Staphylococcus aureus from other staphylococci?
What enzyme distinguishes Staphylococcus aureus from other staphylococci?
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